Home / 13,030.39-19,529.53-7,412.77

Finding the Fourth Proportional to 13,030.39, 19,529.53 and 7,412.77

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Solution

The fourth proportional to 13,030.39, 19,529.53 and 7,412.77 is: 11,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.39 : 19,529.53 = 7,412.77 : x
  2. Step 2: Convert to fraction form
    13,030.39/19,529.53 = 7,412.77/x
  3. Step 3: Cross multiply
    13,030.39x = 19,529.53 × 7,412.77
  4. Step 4: Simplify right side
    13,030.39x = 144,767,914.10
  5. Step 5: Solve for x
    x = 144,767,914.10/13,030.39
  6. Step 6: Final answer
    x = 11,110.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.